si_dma_ring_test_ring(9)

💖 NAME 💖

si_dma_ring_test_ring — simple async dma engine test. Okay so welcome to the si_dma_ring_test_ring(9) page from the Kernel API Manual, bestie — this is the one about the simple async dma engine test. ✨

✨ SYNOPSIS ✨

int si_dma_ring_test_ring (struct amdgpu_ring *ring );

🎀 ARGUMENTS 🎀

• ring — the amdgpu_ring structure holding ring information. Yep, that's the one — it's giving "ring info holder" energy. 🫶

🦋 DESCRIPTION 🦋

So the description is literally: Test the DMA engine by writing using it to write an value to memory. (VI). Returns 0 for success, error for failure. That's the whole plot, no cap. 💖

🌸 SEE ALSO 🌸

Kernel file: ./drivers/gpu/drm/amd/amdgpu/si_dma.c

• si_dma_ring_get_rptr(9)
• si_dma_ring_get_wptr(9)
• si_dma_ring_emit_fence(9)
• si_dma_ring_test_ib(9)
• si_dma_vm_copy_pte(9)
• si_dma_vm_write_pte(9)
• si_dma_vm_set_pte_pde(9)
• si_dma_ring_pad_ib(9)
• si_dma_ring_emit_pipeline_sync(9)
• si_dma_ring_emit_vm_flush(9)
• si_dma_emit_copy_buffer(9)
• si_dma_emit_fill_buffer(9)

mwah 💋 — footer source/version: ./drivers/gpu/drm/amd/amdgpu; date: October 2026.